Mahoning River Basin, Ohio West Branch Reservoir, Letter from the Secretary of the Army Transmitting a Letter from the Chief of Engineers, United States Army, Dated April 23, 1957, Submitting a Report, Together with Accompanying Papers and Illustrations, on a Review of Reports on Mahoning River Basin, Ohio West Branch Reservoir, Requested by a Resolution of the Committee on Public Works, House of Representatives, Adopted March 10, 1955, June 6, 1957.--Referred to the Committee on Public Works and Ordered to be Printed, with Two Illustrations